Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
GM

Gerda Mannesmann — 12 Patents

SCSchering: 12 patents #244 of 2,442Top 10%
Berlin, DE: #530 of 9,690 inventorsTop 6%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Gerda Mannesmann has been granted 12 US patents while listed as an inventor at Schering. The first was granted in 1980 and the most recent in October 1992. Gerda Mannesmann ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Gerda Mannesmann in Berlin, DE.

Patents per Year

Patents granted per year, 1980 to 1992Bar chart with a peak of 2 patents in 1980.peak 21980: 2 patents19801982: 1 patents19821983: 1 patents19831984: 1 patents19841985: 2 patents19851986: 1 patents19861987: 1 patents19871990: 1 patents19901992: 2 patents1992

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
5157042 3-oxa-5-fluoro-carbacyclins, their preparation and use as medicinal agents Werner Skuballa, Bernd Raduechel, Helmut Vorbrueggen, Jorge Casals-Stenzel, Michael-Harold Town 1992-10-20
5124343 Carbacyclins, process for the preparation thereof, and use thereof as medicinal agents Helmut Vorbrueggen, Hernd Raduechel, Werner Skuballa, Norbert Schwarz, Jorge Casals-Stenzel +1 more 1992-06-23
4954524 Carbacylcins, their preparation and use as medicinal agents Werner Skuballa, Bernd Raduechel, Helmut Vorbrueggen, Jorge Casals-Stenzel, Ekkehard Schillinger +1 more 1990-09-04
4692464 Novel prostacyclin derivatives and a process for the preparation thereof Werner Skuballa, Bernd Raduchel, Helmut Vorbruggen, Wolfgang Losert, Jorge Casals 1987-09-08
4618626 Novel carbacyclin esters, process for the preparation thereof, and their use as medicinal agents Werner Skuballa, Bernd Raduechel, Helmut Vorbrueggen, Bob Nieuweboer, Michael-Harold Town 1986-10-21
4552875 Novel carbacyclinamides, their preparation and use as medicinal agents Werner Skuballa, Bernd Raduechel, Helmut Vorbrueggen, Bob Nieuweboer, Michael-Harold Town 1985-11-12
4497830 Carbacyclins, their preparation and pharmacological use Werner Skuballa, Bernd Raduechel, Helmut Vorbrueggen, Jorge Casals-Stenzel, Ekkehard Schillinger +1 more 1985-02-05
4466969 7-Oxoprostacyclin derivatives and their use as hypotensives and bronchodilators Robert C. Nikolson, Helmut Vorbruggen, Jorge Casals-Stenzel 1984-08-21
4378370 Certain 5-cyano-16-fluoro-prostacyclins and their use as pharmaceuticals Helmut Vorbrueggen, Bernd Raduechel, Werner Skuballa, Jorge Casals-Stenzel, Ekkehard Schillinger 1983-03-29
4315013 Certain pyrrole analogs of prostacyclin derivatives Werner Skuballa, Bernd Raduechel, Helmut Vorbrueggen, Wolfgang Losert, Jorge Casals 1982-02-09
4219479 5-Cyano-prostacyclin derivatives Helmut Vorbruggen, Werner Skuballa, Bernd Raduchel, Wolfgang Losert, Olaf Loge +1 more 1980-08-26
4191694 Prostaglandin-I.sub.2 derivatives Werner Skuballa, Bernd Raduchel, Norbert Schwarz, Helmut Vorbruggen, Bernd Muller +3 more 1980-03-04